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PCB Design
Solving Component Library Errors During PCB Layout Reuse
With the right PCB design package, you can even reuse layouts for these old cell phones I recently bought a new computer after data on my old hard drive started to “magically” become corrupted. Once I broke into my new computer and transferred my data over, I became worried I wouldn’t be able to reuse my old data. When it comes to simpler things like text files or images, you’ll have no problems; you can immediately reopen and reuse these files
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77 GHz Radar for Automotive Radar PCBs: Routing and Signal Integrity
Technology moves quickly these days, and automotive radar has transferred from primarily operating near a 24 GHz to a 77 GHz wavelength shortly after its introduction into new vehicles for object detection. Recent regulation changes have allowed the transition to 77 GHz, which provides a number of benefits. Shorter wavelengths facilitate wider bandwidths, and provide better resolution, smaller device form factors, and longer range. This band just
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Automotive Telematics Systems Design
In 2015, the cost of the electronics in a new car surpassed the cost of raw steel for the first time in history. We shouldn’t be surprised; the increasing number of electronic systems placed in cars over time made this change in cost structure inevitable. As cars become more autonomous, more connected, and include more creature comforts, this trend is only going to continue. After the OnStar system was popularized by General Motors in the 1990s
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Relative Permittivity of PCB Substrates: High-k or low-k dielectrics?
The relative permittivity of water makes this pencil appear bent If you’ve paid attention to refraction, then you know something about the physics of relative permittivity. The semiconductor industry has managed to continue scaling to smaller technology nodes by using materials with high dielectric constant (so-called high-k dielectrics), but can you see similar benefits in your PCB with similar substrate materials? What about the use of low-k
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Advanced Electronics: Understanding Design Challenges for Space Applications Part 1
Electronics design for space applications is a subject I’ve always been passionate about, and understanding the reasons particles can damage circuitry has always fascinated me. In this article, we’ll discuss how a Beta or Gamma particle can create—for a short period of time (usually referred as SEE or Single Event Effect)—a large current in your design which could lead to permanent damage if ignored. We’ll discuss a technique I have used in my
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How Does Altium Designer Improve PCB Design Workflows?
One of the great pleasures in my life is to be the grandfather of—as of now—five grandkids. It’s interesting to watch them go through various stages of learning. There is Caleb, who is four, and Ashley, who is five (though she loves to remind everyone that she is NOT five, but five and seven months). Both are in different stages of learning. Ashley’s question for everything is “WHAT”, and Caleb, his question is “WHY.” What are we doing? Why is
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Major League Hacking Fuels Passion for Engineering Students
Judy Warner : Jon, please share briefly about your background and what inspired you to co-found Major League Hacking. Jonathan Gottfried : I grew up tinkering with technology, but when I went to college to study Computer Science it was so much more academic than the creative building that I loved to do. I switched majors to history, started doing programming work as a consultant on the side, and ended up graduating and becoming a Developer
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How To Solve Capacitive and Inductive Crosstalk in Your Design - OnTrack Whiteboard Series
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Electronics Lab Equipment: Kitting out a Lab from Scratch
Setting up a new electronic lab from scratch? In this article you'll learn essential information from budget, tools, your first soldering station, prototyping equipment, and more.
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Engineering Laptop Buying Guide Mid 2019
Previously, I covered buying a desktop computer for engineering purposes in The Definitive Engineering Computer Buying Guide Mid 2019 . I only touched on engineering laptop/notebook computers at that point, if you’re looking at buying an engineering laptop this is the guide for you. If you’re looking for a laptop specifically for engineering work, my expectation is that you are traveling a lot or are a student. Either way, you’re not looking for
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The Definitive Engineering Computer Buying Guide Mid 2019
If you’re looking for a new PC for engineering (electronic or otherwise), you don’t need to break the bank. This guide is for those of you more focused on engineering than keeping up with the latest PC hardware. Laptop vs Desktop Unless you plan on moving around a lot, or just don’t have a place to put a desktop computer, buying or building a desktop computer instead of a laptop will save you a lot of money and give you significantly better
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Selecting the Best Flex Fabricator
What are the key things to consider when selecting a fabricator for flex and rigid flex? When a designer is embarking on their first flex or rigid flex layout the challenge of learning a new material set and new design rules is often compounded by the added challenge of researching and selecting a new fabricator who has the capability to manufacture flexible materials. It really isn’t surprising, there are many fabricators that work with both
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The Impact of Stackup Design on Signal Integrity
As noted in several of my blogs as well as those of others, signal integrity is one of those elements within a high speed PCB design that has to be factored in from the start of the design concept. From its inception, signal integrity is carried through from design to board fabrication and final assembly. But, there are aspects where signal integrity is not always at the forefront of the design process, including the creation of the PCB stackup
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